I've had NO trouble at all passing VoIP through Canopy. You might want to investigate ways to bring your links in over the Canopy/IP system at the site, Mark.
Two of our repeater sites have EchoIRLP nodes, serviced off of Canopy and/or Trango Wireless gear. Works fine. No serious latency issues when built right. Also, there ARE Cisco and other routers capable of giving you E&M circuits over IP, if that's the route you're planning to go down the road anyway... the Cisco telco routers will do it, and it's the basis of their special "ROIP" (Radio over IP) code loads, that ... well, if you can find 'em they look nice... features for delay of PTT, adjustable audio delay after PTT, etc... the router then "understands" that you're hooking it to a radio... but E&M is in all the basic VOIP versions of IOS. The Cisco cards and routers are not real cheap though. Nate WY0X -----Original Message----- From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Mark Sent: Wednesday, March 11, 2009 7:01 PM To: Repeater-Builder@yahoogroups.com Subject: RE: [Repeater-Builder] Split site link via IP Thanks Nate. I'm not running a node or anything as of yet... More like researching my options for linking and so forth for the future. Right now, I'm trying to bring two remote RX sites to a comparator for a three-RX site system. My problem is, I have been waiting nearly TWO YEARS for the county to get their microwave backbone online - so I can have two E+M lines for my remote sites. (The county is gracious enough to give me space at their tower AND provide the repeater equipment, so beggars can't be choosers...) The problem is nobody at the county seems to know how to program the MainStreet equipment that is interfaced into their RF microwave. Rather than pull more of my hair out, I am investigating "other avenues"... and I know that T-1 lines are cost prohibitive. (Plus, there is no Telco service to the tower site.) There is, however, Internet service via a Canopy system... I'm hoping a friend I have can program the MainStreet ends for me, but getting him away from his employer long enough to do this is my latest problem to resolve... Ah, repeaters. <sigh> Mark - N9WYS -----Original Message----- From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Nate Duehr Sent: Wednesday, March 11, 2009 6:45 PM To: Repeater-Builder@yahoogroups.com Subject: RE: [Repeater-Builder] Split site link via IP I've done IRLP over a couple of different types of satellite connections (and as an "official" tech support volunteer, I must add that IRLP "doesn't recommend" this). It works. Latency never really seemed to be all that bad. We listened to it, and yeah... our voice into the rig was ahead of the other side coming out on a land-line based node, but it was possible to communicate just fine. The bigger problem seems to be packet loss. Sometimes words would get dropped, even with IRLP's relatively new buffers that were put in place not too long back (relatively... I've been doing IRLP now for almost 10 years?). But in-between those dropouts, everything's fine. Switching to a lower CODEC for the node to node connection, (GSM, roughly 12 Kb/S) or using a GSM channel on a Reflector if multiple nodes are participating in some event, helps sometimes. I could get the owner of one of these systems to call you on your local IRLP node, if you want to hear it. He could also describe who's satellite service he's using. Some node owners on the IRLP mailing list a while back reported good luck with WildBlue, haven't heard that much good about StarBand or DirectTV's offering... and of course, Hughes dedicated service ($$$) also works fine. This is all kinda "water under the bridge" to me -- I'm more interested in finding out if Icom's D-STAR Gateways can successfully operate (they're much more latency sensitive than IRLP or anything that's just an audio stream) on a satellite link. Don't have all the "stuff" here I'd need to test it and find out, though! To buy an extra repeater, controller, and gateway just for a test isn't in the cards. (GRIN) Nate WY0X -----Original Message----- From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Mark Sent: Wednesday, March 11, 2009 12:56 PM To: Repeater-Builder@yahoogroups.com Subject: RE: [Repeater-Builder] Split site link via IP Mike, I'm curious regarding latency issues, especially if using VoIP for connections like IRLP or remote voice links. Did you experience them when on satellite, or was it a "non-issue" in your experience? And I assume your connections losses while on the bird were due to "rain fade" or similar??? Mark - N9WYS ------------------------------------ Yahoo! Groups Links No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.0.237 / Virus Database: 270.11.10/1995 - Release Date: 03/11/09 08:28:00 ------------------------------------ Yahoo! Groups Links
